diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index f000b58cbc0c3f40acabae6594ce9810a0e8e34c..bb2c990b97efcfe6738508c40a52bb021436659a 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -186,7 +186,6 @@ extern void copy_irq_alloc_info(struct irq_alloc_info *dst,
 				struct irq_alloc_info *src);
 extern struct irq_cfg *irq_cfg(unsigned int irq);
 extern struct irq_cfg *irqd_cfg(struct irq_data *irq_data);
-extern struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node);
 extern void lock_vector_lock(void);
 extern void unlock_vector_lock(void);
 extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *);
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index af224e6774d86b014a699db69d2e85c21df15c79..51cd46bfc46e924884e9eb044ec832426948da0e 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -76,27 +76,6 @@ static struct irq_cfg *alloc_irq_cfg(int node)
 	return NULL;
 }
 
-struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node)
-{
-	int res = irq_alloc_desc_at(at, node);
-	struct irq_cfg *cfg;
-
-	if (res < 0) {
-		if (res != -EEXIST)
-			return NULL;
-		cfg = irq_cfg(at);
-		if (cfg)
-			return cfg;
-	}
-
-	cfg = alloc_irq_cfg(node);
-	if (cfg)
-		irq_set_chip_data(at, cfg);
-	else
-		irq_free_desc(at);
-	return cfg;
-}
-
 static void free_irq_cfg(struct irq_cfg *cfg)
 {
 	if (cfg) {